 | This article's
lead section may be too short to adequately
summarize the key points. (November 2021) |
| Winchite | |
|---|---|
 | |
| General | |
| Category | Mineral |
| IMA symbol | Wnc [1] |
| Crystal system | Monoclinic |
| Identification | |
| Mohs scale hardness | 5½ |
| Lustre | Vitreous |
| Streak | Pale blue-grey |
Winchite is a mineral in the amphibole group. [2]
Name
The mineral is named after Howard James Winch, who was the one discovered it in Madhya Pradesh, India. [3] Sir Lewis Fermor was the one who named the mineral. [4]
Winchite is also called Aluminowinchite or Eckrite. [3]
Chemistry
Winchite has a chemical composition similar to tremolite. But it contains iron, potassium, sodium, and manganese. [5]
Occurrence
Winchite occurs on grains of riebeckite. [6]: 137 It can be found in schist with metamorphosed manganese deposits. [7]
Distribution
It has been found on the south eastern part of Anglesey. [2] It has been found in Kajlidongri mine located in India as well at Ward creek in California. [7]
References
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode: 2021MinM...85..291W. doi: 10.1180/mgm.2021.43. S2CID 235729616.
- ^ a b "Mineral Database - Mineralogy of Wales". National Museum Wales. Retrieved 2021-11-07.
- ^ a b "Winchite". www.mindat.org. Retrieved 2021-11-07.
- ^ "End Member". CiteSeerX 10.1.1.602.4009.
- ^ Mineralogical Magazine. Oxford University Press. 1907. p. 413.
- ^ Ring, Uwe; London, Geological Society of; Brendan, M. T.; Lister, G.; Willett, Sean D. (1999). Exhumation Processes: Normal Faulting, Ductile Flow and Erosion. Geological Society of London. ISBN 978-1-86239-032-4.
- ^ a b "Winchite [NaCa][(Mg; Fe2+)4Al]Si8O22(OH)2" (PDF). Retrieved 2023-10-06.